Gage attachment for planes



(No Model.)

G. H. RUSSELL.

GAGE ATTACHMENT FOR PLANES. No. 399,287. Patented Mar. 12, 1889.

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NlTEU STATES ATENT OFFICE.

GEORGE ll. RUSSELL, OF PITTSFIELD, MASSACHUSETTS.

SPECIFICATION. forming part of Letters Patent No. 399,287, dated March 12, 1889.

Application filed October 27, 1888. Serial No. 289,264. (No model.)

To all 21.7mm it may concern.-

lie it known that I, GEORGE II. RUssELL, a citizen of the United States, residing at Pittsfield, in the ct unty of Berkshire, State of Massachusetts, have invented certain new and useful Improvements in Gage Attachments for Planes, of which the following is a specification, reierence being had therein to the accompanyin g drawings.

This invention has relation to beading or grooving planes, and especially to an adj usting attachment for the same, whereby said plane is adapted for forming beads or grooves of varying widths; and among the prime objects in view are to provide a simply constructed and applied gage that can be easily and quickly adjusted for different sized grooves or beads, which grooves or beads shall be uniform.

Other objects and advantages of the invention will hereinafter appear, and the novel features thereof will be particularly pointed out in the claim.

Referring to the drawings, Figure 1 is a perspective of an adjustable attachment for planes constructed in accordance with my invention, and Fig. 2 is a plan of a plane provided with such an attachment.

Like numerals of reference indicate like parts in both the figures of the drawings.

1. re )resents a lon itudinal )late or bar which maybe either straight or curved to fit the side wall of a plane, and which is perforated at its opposite ends, as at 2, for the passage therethrough of an adjusting clampingbolt, 3, the inner ends of which are formed with serew-threzuls for the reception of thumbscrews 1, and the opposite ends of which are bent at a right angle, as at 5, so as to embrace the opposite side wall of a plane, (5, whereby said plane may be tightly clamped to the gage.

From the plate 1, and near each of its ends, there project lateral rods 7, which, for a purwith a scale.

8 represents the adj usting-bar, which is designed to ride against the side of the work in which the bead or grooveis being formed,and it is provided with upwardly-disposed opposite arms, 0, terminating in laterally-bored bosses 10, adapted to receive and ride upon the rods 7, and held in position upon said rods by means of setscrews 11, inserted through vertical openings in the bosses, which screws rest upon the rods 7.

By adjusting the gage-bar 8 upon the rods 7 and securing the same by means of the setscrews 11 it is apparent thatbeads or grooves of any desired width may be formed, in that, if the plane is adapted for grooving onefourth inch, to groove one-half inch it is only necessary, after a one-fourth groove has been formed, to set the gage-rod back another quarter-inch and form a second groove, thus increasing indefinitely the capacity of the plane. The device will also be found convenientwhen a series of boards or posts are to be grooved, each of the grooves or beads to be a predetermined distance from the edge of the work.

By this device uniform work is accomplished.

Having described myinvention and its operation. what I claim is The herein-described adjustable gage attachment for planes, consisting of the bar 1, having end perforations, 2, provided with the L-shaped clamping -bolts 3, bent, as at 5, adapted to embrace a plane at its ends, and having set-nuts l, and opposite bars, 7, projecting from the bar 1, and the gage-bar 8, having upwardly-disposed arms 9, terminating in perforated bosses 10, for the reception of the bars 7, and havii g set-screws ll, sulr stantially as specified.

In testimony whereof I atfix my signature in presence of two witnesses.

GEORGE II. RUSSELL. \Vitnesses:

JosEPH MAsLEN,

E. M. Wool). 

